Overview

overview

10

Static

static

3

1347ad0dd7...ef.exe

windows7-x64

10

1347ad0dd7...ef.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    136s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 08:21

Sharing

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General

  • Target

    1347ad0dd707cd40aeecee7e7a4e89ef.exe

  • Size

    265KB

  • MD5

    1347ad0dd707cd40aeecee7e7a4e89ef

  • SHA1

    782384fecdc4336eab4a2dd09aa7e15075189ec4

  • SHA256

    3e7bb59da0c14e0afceafc0de5f85510a793b66f825b61846752aa00836dde0e

  • SHA512

    a92e4e6abe9622ac6dabf1c023b2480fba7368648384639020544c31d5a812e996e55d593e4ede83358f0771b837c87b99319ba9ccbf6684393b4bf8a2c861b3

  • SSDEEP

    6144:d/Td2bX/46yyzmE4bhFT2FzjHVGFPMyWreBuc:bWv461zmxhF6Ff1UEyWrm

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforaugust1.xyz/

http://readinglistforaugust2.xyz/

http://readinglistforaugust3.xyz/

http://readinglistforaugust4.xyz/

http://readinglistforaugust5.xyz/

http://readinglistforaugust6.xyz/

http://readinglistforaugust7.xyz/

http://readinglistforaugust8.xyz/

http://readinglistforaugust9.xyz/

http://readinglistforaugust10.xyz/

http://readinglistforaugust1.site/

http://readinglistforaugust2.site/

http://readinglistforaugust3.site/

http://readinglistforaugust4.site/

http://readinglistforaugust5.site/

http://readinglistforaugust6.site/

http://readinglistforaugust7.site/

http://readinglistforaugust8.site/

http://readinglistforaugust9.site/

http://readinglistforaugust10.site/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Program crash 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\1347ad0dd707cd40aeecee7e7a4e89ef.exe
    "C:\Users\Admin\AppData\Local\Temp\1347ad0dd707cd40aeecee7e7a4e89ef.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Users\Admin\AppData\Local\Temp\1347ad0dd707cd40aeecee7e7a4e89ef.exe
      "C:\Users\Admin\AppData\Local\Temp\1347ad0dd707cd40aeecee7e7a4e89ef.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1724
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1724 -s 332
        3⤵
        • Program crash
        PID:4556
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1724 -ip 1724
    1⤵
      PID:1584
    • C:\Users\Admin\AppData\Roaming\gusdvae
      C:\Users\Admin\AppData\Roaming\gusdvae
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3276
      • C:\Users\Admin\AppData\Roaming\gusdvae
        C:\Users\Admin\AppData\Roaming\gusdvae
        2⤵
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        • Suspicious behavior: MapViewOfSection
        PID:5228
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5228 -s 328
          3⤵
          • Program crash
          PID:3700
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 5228 -ip 5228
      1⤵
        PID:2924

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Roaming\gusdvae
              Filesize

              265KB

              MD5

              1347ad0dd707cd40aeecee7e7a4e89ef

              SHA1

              782384fecdc4336eab4a2dd09aa7e15075189ec4

              SHA256

              3e7bb59da0c14e0afceafc0de5f85510a793b66f825b61846752aa00836dde0e

              SHA512

              a92e4e6abe9622ac6dabf1c023b2480fba7368648384639020544c31d5a812e996e55d593e4ede83358f0771b837c87b99319ba9ccbf6684393b4bf8a2c861b3

              Download Submit

            • memory/1628-1-0x0000000002450000-0x0000000002550000-memory.dmp

              Filesize

              1024KB

              Download

            • memory/1628-2-0x00000000001C0000-0x00000000001CA000-memory.dmp

              Filesize

              40KB

              Download

            • memory/1724-4-0x0000000000400000-0x0000000000409000-memory.dmp

              Filesize

              36KB

              Download

            • memory/1724-3-0x0000000000400000-0x0000000000409000-memory.dmp

              Filesize

              36KB

              Download

            • memory/1724-8-0x0000000000400000-0x0000000000409000-memory.dmp

              Filesize

              36KB

              Download

            • memory/3276-16-0x0000000002690000-0x0000000002790000-memory.dmp

              Filesize

              1024KB

              Download

            • memory/3460-5-0x0000000002280000-0x0000000002296000-memory.dmp

              Filesize

              88KB

              Download

            • memory/3460-19-0x0000000000670000-0x0000000000686000-memory.dmp

              Filesize

              88KB

              Download

            • memory/5228-22-0x0000000000400000-0x0000000000409000-memory.dmp

              Filesize

              36KB

              Download